This is a remote control cloner with fixed and rolling frequency 433.92 MHz to copy 99.99common remote controls with fixed and learning code. Compatible with most chips these 433MHz automatic sliding gate openers are compatible with 2264, 2260, 1527, FP527, 2240, SMC918 and so on. Please confirm if your chips are suitable before ordering.Easy to duplicate after removing the old code, you need to place the universal gate controller, remote control side by side and press a button, then press the corresponding button to copy the old remote control, the LED indicator will flash 3 times to let go and other corresponding keysClear the old code press and hold the A and B buttons on the automatic electric door opener at the same time until the LED indicator flashes continuously before releasing. You can press any key to test, if the LED indicator flashes instead of flashing continuously, it means the code has been cleared.keys to control there are 4 keys on the remote controls for gates, A, B, C, D, used to open, close and stop doors, which is convenient and practical. You can use them for roller shutter doors, roller shutter doors, telescopic doors, garage doors, road doors. You will get there are 4 pieces of universal remote gate openers include battery and instruction manual, equipped with lobster clasp, which can be hung around clothes, villages, bags, etc.Color Photo colorMaterial MetalPackage contents4garage door opener remote control1English user manualOnly the above package contents, other products are not included.Note Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is13 cm.